Allow autoupdate to update disabled extensions.

chrome/browser/extensions/updater/extension_updater.h

Index: chrome/browser/extensions/updater/extension_updater.h
diff --git a/chrome/browser/extensions/updater/extension_updater.h b/chrome/browser/extensions/updater/extension_updater.h
index 4cb99e749c349aea864af4d426541c1d726b8392..06a4ae6e82dca55bbcec2f24515b4c5db4e04ade 100644
--- a/chrome/browser/extensions/updater/extension_updater.h
+++ b/chrome/browser/extensions/updater/extension_updater.h
@@ -25,6 +25,7 @@
 
 class ExtensionPrefs;
 class ExtensionServiceInterface;
+class ExtensionSet;
 class PrefService;
 class Profile;
 
@@ -109,6 +110,11 @@ class ExtensionUpdater : public ExtensionDownloaderDelegate,
   // browser restart.
   void ScheduleNextCheck(const base::TimeDelta& target_delay);
 
+  // Add fetch records for extensions that are installed to the downloader,
+  // ignoring |pending_ids| so the extension isn't fetched again.
+  void AddToDownloader(const ExtensionSet* extensions,
+                       const std::set<std::string>& pending_ids);
+
   // BaseTimer::ReceiverMethod callback.
   void TimerFired();